diff --git a/css/main.css b/css/main.css
index 8fc6d5e..5858044 100644
--- a/css/main.css
+++ b/css/main.css
@@ -274,7 +274,7 @@ nav#top:hover, nav#top:active {
   float: left;
 }
 #section-main article h2 {
-  margin: -24px;
+  margin: 0 -24px;
   padding: 0.4em 24px;
   border-top: 1px solid #d5d5d5;
   border-bottom: 1px solid #d5d5d5;
diff --git a/scss/section.scss b/scss/section.scss
index 8655790..f6c6365 100644
--- a/scss/section.scss
+++ b/scss/section.scss
@@ -115,7 +115,7 @@ $ArticleFinalMargins: #{$ArticleBorderWidth + $ArticleBorderRadius};
 		}
 
 		h2{
-			margin: -$ArticleFinalMargins;
+			margin: 0 (-$ArticleFinalMargins);
 			padding: 0.4em $ArticleFinalMargins;
 			border-top: 1px solid #d5d5d5;
 			border-bottom: 1px solid #d5d5d5;